Probe Combines Strain-Gage And Frequency-Hopping Technologies

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The RMP600 touch probe combines high-accuracy strain-gage sensing and frequency-hopping spread-spectrum (FHSS) radio transmission technologies for complex 3D part measurement on machine tools. According to the company, the design allows part-checking precision on parts with contours, deep cavities, undercuts and other obstacles or features that can block transmission of optical line-of-sight probes. The company’s RenGage strain-gage technology combines a custom sensing mechanism and advanced electronics to deliver sub-micron unidirectional repeatability—such as 0.25 µm with 50-mm stylus. Unlike fixed-channel radio probes, the touch probe and its RMI receiver hop together through frequencies to a clear channel, avoiding Wi-Fi interference on electrically noisy plant floors.

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